html,
body {
	height: 100%;
	-webkit-user-select: none;
	user-select: none;
	overflow: hidden;
}

h2 {
	text-align: center;
}
p {
	color:#c33;
	position: fixed;
	width: 260px;
	top: 190px;
	left: 10px;
}
.box {
	width: 100px;
	height: 100px;
	background: blanchedalmond;
	position: absolute;
	top: 130px;
	right: 0px;
	line-height: 100px;
	text-align: center;
	color: #000;
}

.btn {
	position: absolute;
	top: 80px;
	right: 10px;
	width: 80px;
	height: 30px;
	line-height: 30px;
	text-align: center;
	border-radius:4px ;
}

#log {
	padding: 3px;
	background: orange;
	color: #fff;
	line-height: 18px;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 2;
}

pre {
	position: absolute;
	top: 255px;
	left: 10px;
	background: #f0f0f0;;
	width: 100%;
	margin: 0;
	padding: 20px 0px 20px 20px;
	-webkit-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	font-size: 14px;
	font-family: Monaco, Consolas, "Lucida Console", monospace;
	z-index: 1;
	-webkit-user-select: text ;
	user-select: text ;
	border-left:2px solid olivedrab;
}